1 /* 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 import java.io.File; 24 import java.nio.charset.Charset; 25 import java.nio.file.Files; 26 import java.util.ArrayList; 27 import java.util.List; 28 import static java.nio.file.StandardOpenOption.*; 29 import java.util.regex.Pattern; 30 31 /* 32 * @test 33 * @bug 8003549 34 * @summary tests class files instruction formats introduced in JSR-335 35 * @compile -XDignore.symbol.file Utils.java InstructionTests.java 36 * @run main InstructionTests 37 * @author ksrini 38 */ 39 public class InstructionTests { 40 public static void main(String... args) throws Exception { 41 testInvokeOpCodes(); 42 } 43 /* 44 * the following should produce invokestatic and invokespecial 45 * on InterfaceMethodRefs vs. MethodRefs, packer/unpacker should work 46 */ 47 static void testInvokeOpCodes() throws Exception { 48 List<String> scratch = new ArrayList<>(); 49 final String fname = "A"; 50 String javaFileName = fname + Utils.JAVA_FILE_EXT; 51 scratch.add("interface IntIterator {"); 52 scratch.add(" default void forEach(){}"); 53 scratch.add(" static void next() {}"); 54 scratch.add("}"); 55 scratch.add("class A implements IntIterator {"); 56 scratch.add("public void forEach(Object o){"); 57 scratch.add("IntIterator.super.forEach();"); 58 scratch.add("IntIterator.next();"); 59 scratch.add("}"); 60 scratch.add("}"); 61 File cwd = new File("."); 62 File javaFile = new File(cwd, javaFileName); 63 Files.write(javaFile.toPath(), scratch, Charset.defaultCharset(), 64 CREATE, TRUNCATE_EXISTING); 65 66 // make sure we have -g so that we compare LVT and LNT entries 67 Utils.compiler("-g", javaFile.getName()); 68 69 // jar the file up 70 File testjarFile = new File(cwd, "test" + Utils.JAR_FILE_EXT); 71 Utils.jar("cvf", testjarFile.getName(), "."); 72 73 // pack using --repack 74 File outjarFile = new File(cwd, "out" + Utils.JAR_FILE_EXT); 75 scratch.clear(); 76 scratch.add(Utils.getPack200Cmd()); 77 scratch.add("-J-ea"); 78 scratch.add("-J-esa"); 79 scratch.add("--repack"); 80 scratch.add(outjarFile.getName()); 81 scratch.add(testjarFile.getName()); 82 List<String> output = Utils.runExec(scratch); 83 // TODO remove this when we get bc escapes working correctly 84 // this test anyhow would fail at that time 85 findString("WARNING: Passing.*" + fname + Utils.CLASS_FILE_EXT, 86 output); 87 88 Utils.doCompareVerify(testjarFile, outjarFile); 89 } 90 91 static boolean findString(String str, List<String> list) { 92 Pattern p = Pattern.compile(str); 93 for (String x : list) { 94 if (p.matcher(x).matches()) 95 return true; 96 } 97 throw new RuntimeException("Error: " + str + " not found in output"); 98 } 99 }